Knoxville Weather Forecast

    • 52
    • 71

    Decreasing Clouds

    • 54
    • 74

    Mostly Sunny

    • 64
    • 78

    Mostly Cloudy

    • 66
    • 77

    Rain Showers

    • 56
    • 73

    Rain Showers Likely

    • 51
    • 66

    Mostly Cloudy

Today 27 Sep Knox

Partly sunny. Highs in the lower 70s. Light and variable Winds, becoming northeast around 5 Mph this afternoon.

Tonight 27 Sep Knox

Partly cloudy in the Evening, then clearing. Lows in the lower 50s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Knoxville Temperature Statistics

September Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 23 September, 2026

    50.2 °F

  • Average September

    70.8 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
Get WillyWeather+ to remove ads